//
//  JHNETWorkTools.m
//  单例对象
//
//  Created by apple on 16/5/25.
//  Copyright © 2016年 apple. All rights reserved.
//

#import "JHNETWorkTools.h"

@implementation JHNETWorkTools
+ (instancetype)sharedInstance{
    static JHNETWorkTools *tools;
    //一次执行的闭包
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        tools = [[JHNETWorkTools alloc]init];
    });
    return  tools;
}
@end
